Fix https://huntr.dev/bounties/d32f3d5a-0738-41ba-89de-34f2a772de76/

public/v1/js/ff/currencies/index.js

@@ -0,0 +1,43 @@
+/*
+ * index.js
+ * Copyright (c) 2019 james@firefly-iii.org
+ *
+ * This file is part of Firefly III (https://github.com/firefly-iii).
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+/**
+ *
+ */
+$(function () {
+    "use strict";
+    $('.make_default').on('click', setDefaultCurrency);
+
+});
+
+function setDefaultCurrency(e) {
+    var button = $(e.currentTarget);
+    var currencyId = parseInt(button.data('id'));
+
+    $.post(makeDefaultUrl, {
+        _token: token,
+        id: currencyId
+    }).done(function (data) {
+        // lame but it works
+        location.reload();
+    }).fail(function () {
+        console.error('I failed :(');
+    });
+}